#include "stack.h"
Stack::Stack() {
	top = 0;
}

bool Stack::isempty() const {
	return top == 0;
}

bool Stack::isfull() const {
	return top == MAX;
}


bool Stack::push(const Item& item) {
	if (top < MAX) {
		items[top++] = item;
		return true;
	}
	else
	{
		return false;
	}
}

bool Stack::pop(Item& item) {
	if (top > 0) {
		item = items[--top];
			return true;
	}
	else {
		return false;
	}
}